20682738

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1787}}^1$

素因数の和:2438

約数の個数: 24

約数和(自身を含む): 44907408

約数和(自身を除く): 24224670

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1787, 1929, 3574, 3858, 5361, 5787, 10722, 11574, 16083, 32166, 1149041, 2298082, 3447123, 6894246, 10341369, 20682738]

約数ペア:

[(1, 20682738), (2, 10341369), (3, 6894246), (6, 3447123), (9, 2298082), (18, 1149041), (643, 32166), (1286, 16083), (1787, 11574), (1929, 10722), (3574, 5787), (3858, 5361)]